Cations Mix Back Catalog number: 59354 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19348 Hexachlorobenzene, 1000µg/ml in Isooctane, 1ml Price on request 33005 EPA Method 502/524 Fortification Solution Price on request 0283.48-10MG Difluorantheno[3.5,4.6],[4''.6'',9.11]coronene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 362051-19-2 Price on request